CodeLens not working VS 2019 Community (16.11.1)

Question

My CodeLens doesn't work on any of my projects; references appeared on my colleague's VS when he was giving me a rundown of a project but when I open up the same one, nothing appears.

I have tried:

• Disabling and enabling CodeLens
• Disabling IntelliCode
• Opening VS in safemode
• ResetSkipPkgs
• ResetSettings

and other solutions recommended on forums with the same issue. So far nothing has worked.

Answer 1

Hi, @Kenkoku Miyakawa

Welcome to Microsoft Q&A!

What is the type of your project? Have you tried Repair Visual Studio? Does CodeLens still not work after building the project, You can try to delete the obj folder of the project.
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Update:

Please try to delete the .vs folder of the project.
Then:
Go into Tools -> Options... -> Text Editor -> All Languages -> CodeLens.
Uncheck "Enable CodeLens" option and click OK.
Go back into Tools -> Options... -> Text Editor -> All Languages -> CodeLens.
Check the "Enable CodeLens" option and click OK.

Then open this project in Visual Studio.

Sincerely,
Peng
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Answer 2

Hi PengGe-MSFT

I'm not too sure what the project type is but it's this project here: https://github.com/udotdevelopment/ATSPM

I tried repairing as well as updating VS to the most recent version but it still doesn't work.

Building the project as well as deleting the obj folders doesn't restore CodeLens either.

Answer 3

So, this is obviously old, but I just came across of it too. Eventually I figured out my cause and solution.

My Solution was:
Instead of opening the solution, I opened the folder of the solution. It does not show Code Lens when not in a VS Solution/Project. I had to explicitly open the .sln file. Then it worked.

Maybe it helps someone else.